Husqvarna SG13A User Manual
43
TROUBLESHOOTING
Symptom
Cause
Action
The engine will not start
•
User error
Fuel valve closed.
Open the fuel valve.
Choke valve open.
Close the choke with cold engine.
Engine switch in OFF position.
Turn engine switch to ON.
•
Fuel system
Fuel tank empty.
Fill with fuel.
Machine stored without
Clean tank, sludge reservoir and
observing proper procedure
empty carburetor.
from chapter “Storage/Winter
Fill the tank with fresh fuel.
storage”.
Contamination, water or ice in
Contamination, water or ice in
Clean tank, sludge reservoir,
fuel system
fuel lines and carburetor.
Fill the tank with fresh fuel.
Fill the tank with fresh fuel.
Carburetor problems.
Contact an authorized service
workshop.
workshop.
•
Spark plug
Wrong spark plug type.
Replace the spark plug.
Buildup on electrodes.
Check electrode gap and clean or
Short circuit.
replace spark plug.
Gasoline or oil on the spark plug.
Clean the spark plug. Air the
engine out. Start with full throttle.
engine out. Start with full throttle.
•
No spark after
Faulty engine switch, cable
Contact an authorized service
checking spark plug
or ignition.
workshop.
•
Low compression
Serious interior engine
Contact an authorized service
damage or faulty valves.
workshop.
Engine is gutless or runs unevenly
•
Air filter
Clogged air filter.
Clean or replace the air filter.
•
Fuel system
Machine stored without observ-
Clean tank, sludge reservoir and
ing proper procedure from
empty carburetor.
chapter “Storage/Winter storage”. Fill the tank with proper fuel.
(Blue exhaust)
Tank filled with 2-cycle mixed oil.
Fill the tank with proper fuel.
(Voluminous blue-white
Tank filled with diesel.
Clean tank, sludge reservoir
exhaust)
and empty carburetor.
Fill the tank with proper fuel.
Fill the tank with proper fuel.
(Black exhaust)
Choke left on.
Open choke valve.
Clogged air filter.
Clean or replace the air filter.
Carburetor problems
Contact an authorized service
workshop.
workshop.
•
Ignition system
Wrong spark plug type.
Replace the spark plug.
Buildup on electrodes.
Check electrode gap and clean or
Short circuit.
replace spark plug.
Faulty ignition unit.
Contact an authorized service
workshop.
•
Low compression
Serious interior engine damage
Contact an authorized service
(possible blue
or faulty valve.
workshop.
exhaust)